I have created an iPhone application. In our application I used UIPickerView controller, I want to know that is it possible to change the background of UIPickerView!Please guide me how to do it Or can we make UIPickerView skin transparent?

Yes, of course we can change the background of UIPickerView Controller.First of all create a UIView which will be used as background of UIPickerView and after we will add this view as subview of picker view, like this: